Question 56 Answer and Explanation _ACT June 2011 Asia Form 67B Math Section

56. The distance, in feet, a ball is from the ground t seconds after being thrown upward is modeled by f(t) = -16t² + 24t + 32. The number 32 in this equation represents which of the following?

F. The number of seconds the ball will take to reach the ground

G. The velocity of the ball when it is thrown

H. The velocity of the ball when it hits the ground

J. The distance the ball is from the ground when it is at its highest point.

K. The distance the ball is from the ground when it is thrown

Answer and Explanation

Your Answer is

Correct Answer is K

Explanation

32 represents the height of the ball when the time is equal to zero. Choose K.